| import type { ImageLoaderPropsWithConfig } from './image-config' |
|
|
| const DEFAULT_Q = 75 |
|
|
| function defaultLoader({ |
| config, |
| src, |
| width, |
| quality, |
| }: ImageLoaderPropsWithConfig): string { |
| if (process.env.NODE_ENV !== 'production') { |
| const missingValues = [] |
|
|
| |
| if (!src) missingValues.push('src') |
| if (!width) missingValues.push('width') |
|
|
| if (missingValues.length > 0) { |
| throw new Error( |
| `Next Image Optimization requires ${missingValues.join( |
| ', ' |
| )} to be provided. Make sure you pass them as props to the \`next/image\` component. Received: ${JSON.stringify( |
| { src, width, quality } |
| )}` |
| ) |
| } |
|
|
| if (src.startsWith('//')) { |
| throw new Error( |
| `Failed to parse src "${src}" on \`next/image\`, protocol-relative URL (//) must be changed to an absolute URL (http:// or https://)` |
| ) |
| } |
|
|
| if (src.startsWith('/') && config.localPatterns) { |
| if ( |
| process.env.NODE_ENV !== 'test' && |
| |
| process.env.NEXT_RUNTIME !== 'edge' |
| ) { |
| |
| const { hasLocalMatch } = |
| require('./match-local-pattern') as typeof import('./match-local-pattern') |
| if (!hasLocalMatch(config.localPatterns, src)) { |
| throw new Error( |
| `Invalid src prop (${src}) on \`next/image\` does not match \`images.localPatterns\` configured in your \`next.config.js\`\n` + |
| `See more info: https://nextjs.org/docs/messages/next-image-unconfigured-localpatterns` |
| ) |
| } |
| } |
| } |
|
|
| if (!src.startsWith('/') && (config.domains || config.remotePatterns)) { |
| let parsedSrc: URL |
| try { |
| parsedSrc = new URL(src) |
| } catch (err) { |
| console.error(err) |
| throw new Error( |
| `Failed to parse src "${src}" on \`next/image\`, if using relative image it must start with a leading slash "/" or be an absolute URL (http:// or https://)` |
| ) |
| } |
|
|
| if ( |
| process.env.NODE_ENV !== 'test' && |
| |
| process.env.NEXT_RUNTIME !== 'edge' |
| ) { |
| |
| const { hasRemoteMatch } = |
| require('./match-remote-pattern') as typeof import('./match-remote-pattern') |
| if ( |
| !hasRemoteMatch(config.domains!, config.remotePatterns!, parsedSrc) |
| ) { |
| throw new Error( |
| `Invalid src prop (${src}) on \`next/image\`, hostname "${parsedSrc.hostname}" is not configured under images in your \`next.config.js\`\n` + |
| `See more info: https://nextjs.org/docs/messages/next-image-unconfigured-host` |
| ) |
| } |
| } |
| } |
|
|
| if (quality && config.qualities && !config.qualities.includes(quality)) { |
| throw new Error( |
| `Invalid quality prop (${quality}) on \`next/image\` does not match \`images.qualities\` configured in your \`next.config.js\`\n` + |
| `See more info: https://nextjs.org/docs/messages/next-image-unconfigured-qualities` |
| ) |
| } |
| } |
|
|
| const q = |
| quality || |
| config.qualities?.reduce((prev, cur) => |
| Math.abs(cur - DEFAULT_Q) < Math.abs(prev - DEFAULT_Q) ? cur : prev |
| ) || |
| DEFAULT_Q |
|
|
| return `${config.path}?url=${encodeURIComponent(src)}&w=${width}&q=${q}${ |
| src.startsWith('/_next/static/media/') && process.env.NEXT_DEPLOYMENT_ID |
| ? `&dpl=${process.env.NEXT_DEPLOYMENT_ID}` |
| : '' |
| }` |
| } |
|
|
| |
| |
| defaultLoader.__next_img_default = true |
|
|
| export default defaultLoader |
|
|
